to president obama and a mississippi senator. federal agents say, they have arrested 45-year-old paul kevin curtis of mississippi. the deadly substance. is known as ry-sin. both letters were facilities. and both were post-marked memphis, tennessee - april 8th. the white house says, staffers followed a careful drill in handling the letters. and no one was injured. >> jacqueline: we are seeing some pretty mild conditions. '70s in napa. it is going to be a mild night tonight. we can see that through the bay bridge toll plaza. even warmer tomorrow with that warming trend continuing. it is because of the high pressure. that is well to the north we can see that it is driving up towards washington. it will keep our sky is clear. temperatures in the 50s bay- area wide. quickly getting to the '60s and '70s. widespread 70's for the 3:00 p.m. hour with the 60s for the immediate coast. temperatures in your neighborhood. '70s in the south bay, even upper 70's! 78 in cupertino. we will see temperatures in the upper 70's in concord, pleasanton,